:root {
    --bg: #eff5ff;
    --surface: #ffffff;
    --surface-strong: #f8fbff;
    --accent: #0f86d8;
    --accent-soft: rgba(15, 134, 216, 0.12);
    --text: #0f172a;
    --muted: #516177;
    --border: #d9e4f2;
    --radius: 20px;
    --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Noto Sans SC', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: linear-gradient(180deg, #f7faff 0%, var(--bg) 52%, #f4f7ff 100%);
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
    border-bottom: 2px solid transparent;
}

a:hover {
    color: #0a68ac;
    transform: translateY(-1px);
    border-bottom-color: rgba(15, 134, 216, 0.24);
}

.button,
button,
.link-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.2s ease;
}

button,
.button {
    padding: 12px 20px;
    min-height: 44px;
    border: none;
    background: var(--accent);
    color: #fff;
}

button:hover,
.button:hover,
.link-pill:hover {
    transform: translateY(-2px);
}

.link-pill {
    padding: 8px 14px;
    background: var(--surface);
    border: 1px solid rgba(15, 134, 216, 0.16);
    color: var(--accent);
}

.link-pill:hover {
    box-shadow: 0 18px 40px rgba(15, 134, 216, 0.12);
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 20px 24px 40px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-brand img {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    object-fit: cover;
}

.site-brand .brand-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
}

.site-brand .brand-subtitle {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.site-nav a {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.site-nav a:hover,
.site-nav a.active {
    background: rgba(15, 134, 216, 0.12);
    color: var(--accent);
}

.hero,
.hero-banner {
    display: grid;
    gap: 24px;
    padding: 36px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.9));
    box-shadow: var(--shadow);
}

.hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 1fr);
    align-items: center;
}

.hero-content h1,
.hero-banner h1 {
    margin: 0 0 18px;
    font-size: clamp(2.8rem, 3.8vw, 4.6rem);
    line-height: 1.05;
}

.hero-content p,
.hero-banner p,
.section p,
.tab-panel p {
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 1rem;
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.meta-card,
.card,
.info-card {
    background: var(--surface);
    border: 1px solid rgba(13, 78, 148, 0.08);
    border-radius: 24px;
    padding: 20px;
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.05);
}

.meta-card h3,
.card h3,
.info-card h3,
.section h2,
.tab-panel h2 {
    margin: 0 0 12px;
    color: var(--text);
}

.meta-card strong,
.card strong {
    display: block;
    margin-top: 8px;
    font-size: 1.15rem;
}

.grid-3,
.grid {
    display: grid;
    gap: 18px;
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 18px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.gallery img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 18px;
}

.section {
    margin-top: 36px;
}

.section h2 {
    margin-bottom: 18px;
    font-size: 2rem;
}

.section p:last-child,
.tab-panel p:last-child {
    margin-bottom: 0;
}

.tabbed-panel {
    margin-top: 28px;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-button {
    appearance: none;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    padding: 12px 18px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.tab-button.active {
    background: rgba(15, 134, 216, 0.14);
    border-color: rgba(15, 134, 216, 0.3);
    color: var(--accent);
}

.tab-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0 20px;
    color: var(--muted);
    font-size: 0.95rem;
}

.breadcrumb a {
    color: var(--accent);
}

.page-footer {
    padding: 24px 0 12px;
    text-align: center;
    color: var(--muted);
    font-size: 0.95rem;
}

.page-footer a {
    color: var(--accent);
}

@media (max-width: 1060px) {
    .hero {
        grid-template-columns: 1fr;
    }
    .grid-3,
    .cards-row,
    .gallery {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .site-header {
        flex-direction: column;
        align-items: stretch;
    }
    .site-nav {
        justify-content: stretch;
    }
    .hero,
    .hero-banner {
        padding: 24px;
    }
}